1155253701 has 16 divisors (see below), whose sum is σ = 1807965824. Its totient is φ = 642302784.

The previous prime is 1155253699. The next prime is 1155253703. The reversal of 1155253701 is 1073525511.

It is an interprime number because it is at equal distance from previous prime (1155253699) and next prime (1155253703).

It is not a de Polignac number, because 1155253701 - 2¹ = 1155253699 is a prime.

It is a super-2 number, since 2×1155253701² = 2669222227348394802, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155253703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742630 + ... + 744183.

It is an arithmetic number, because the mean of its divisors is an integer number (112997864).

Almost surely, 2^1155253701 is an apocalyptic number.

It is an amenable number.

1155253701 is a deficient number, since it is larger than the sum of its proper divisors (652712123).

1155253701 is a wasteful number, since it uses less digits than its factorization.

1155253701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486860.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1155253701 is about 33989.0232428059. The cubic root of 1155253701 is about 1049.2825638755.

The spelling of 1155253701 in words is "one billion, one hundred fifty-five million, two hundred fifty-three thousand, seven hundred one".